X = int(input())
ans = 8 - (X - 400)//200
print(ans) X = int(input()) X int(input()) int input() input ans = 8 - (X - 400)//200 ans 8 - (X - 400)//200 8 (X - 400)//200 X - 400 X 400 200 print(ans) print ans X = int(input()) int(input()) X ans = 8 - (X - 400)//200 8 - (X - 400)//200 ans
X = int(input())
ans = 8 - (X - 400)//200
print(ans)